@article {41859,
	title = {Bitumen recovery from oil-sand extraction tailings: I. Bench-scale tests},
	volume = {38},
	year = {1999},
	pages = {20-26},
	publisher = {Journal of Canadian Petroleum Technology},
	url = {http://www.bioone.org/archive/0161-8202/36/2/pdf/i0161-8202-36-2-280.pdf},
	author = {Cheng, Y. H. and Mikhail, M. W. and Salama, A. I. A. and Burns, B.}
}
